I'm pretty sure the popularity came from being free at some point

smartbit · 2026-05-30T08:20:29 1780129229

Notice that Hy3 Preview usage didn’t go down after the free period was over https://openrouter.ai/tencent/

The list of apps using Hy3 Preview shows Hermes Agent causing 65% usage over the last 3 weeks https://openrouter.ai/tencent/hy3-preview/apps

  Hermes Agent      72B
  OpenClaw          10B
  OpenHands          9B
  Claude Code        8B
  Kilo Code          8B